linux-kernel - Re: [PATCH 1/4] mutex: add mutex_lock

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Message-ID: <48B471F7.1080907@linux.intel.com>
Date:	Tue, 26 Aug 2008 23:13:27 +0200
From:	Andi Kleen <ak@...ux.intel.com>
To:	Daniel Walker <dwalker@...sta.com>
CC:	linux-kernel@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>,
	Peter Zijlstra <peterz@...radead.org>,
	Matthew Wilcox <matthew@....cx>,
	Len Brown <len.brown@...el.com>,
	Robert Moore <robert.moore@...el.com>,
	linux-acpi@...r.kernel.org
Subject: Re: [PATCH 1/4] mutex: add mutex_lock_timeout()


>> However what you can do is to ask Len again when he's back. Ultimately
>> it is his decision and he might decide that he can deal with AML lockdep
>> issues longer term.
> 
> For instance these changes could go into linux-next until the 2.6.29
> merge window .. Len should be back by then, and we should have a much
> better idea what kind of problems may exist, if any..

Sorry I'm not convinced that linux-next testing can resolve that.
It doesn't really have enough hardware/tester coverage. Also linux-next
is really only for stuff that is going to be merged, and from
my current perspective it's not.

>> Don't think it makes all that much sense to resubmit the completion
>> patch though. It's unrelated to the other patches anyways (not sure
>> why you mix them together)
> 
> It's all related .. 

I don't think it is. You keep claiming that but it's just not true.
You have not so far brought up a single argument why the semaphores
should be changed to completions.

-Andi
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